While doubts about the medicine’s safety have____________, interest continues to grow.

A horrible thought _________ him when he was waiting for Tom in the airport: what if the plane from Malaysia had been hijacked（劫持）?

Linda’s parents died when she was a baby, and she was _________by her aunt.

To my amazement, that man ______ the flood and afterwards he became rich. But he ______ his wife and children and lived abroad.

The flooding      the bridge, so we can’t walk across it forever.